Heating element



FIG. 1 is a perspective view showing a first embodiment of my new design for a heating element;

FIG. 2 is a front view showing my new design shown in FIG. 1;

FIG. 3 is a right side view showing my new design shown in FIG. 1 and wherein the left side view of my design is a minor image of the right side view of FIG. 3;

FIG. 4 is a rear view showing my new design shown in FIG. 1;

FIG. 5 is a top view of my design shown in FIG. 1;

FIG. 6 is a bottom view of my design shown in FIG. 1;

FIG. 7 is a perspective view showing a second embodiment of my new design for a heating element;

FIG. 8 is a front view showing my new design shown in FIG. 7;

FIG. 9 is a right side view showing my new design shown in FIG. 7 and wherein the left side view of my design is a minor image of the right side view of FIG. 9;

FIG. 10 is a rear view showing my new design shown in FIG. 7;

FIG. 11 is a top view of my design shown in FIG. 7; and,

FIG. 12 is a bottom view of my design shown in FIG. 7.

The broken lines in FIGS. 1-4, 6-10, 12, and the screen patterns shown in FIGS. 1-4, 7-10, are for environmental purposes only and form no part of the claimed designs. 

We claim the ornamental designs for a heating element, as shown and described. 